Shaving machine



' Feb. 11, 1930.

J. SCHICK SHAVING MACHINE Filed July 2, 1928 Patented Feb. 11, 1930015111111) STATES JACOB SCHICK, OF STAMFORD, CONNECTICUT snavme MACHINEApplication filed July 2, 1928. Serial No. 289,686.

This invention relates to an improved shaving machine which is easilymanipulated and which is used to secure a close shave and this withoutthe necessity of using soap or a beard softener of any kind.

Thefeature of. the invention that is pronounced is a series of minuteopenings between'parallel teeth that are thin, the teeth having shoes orprojections on the end to pick up hairs that lie close to the skin anddirect them into the slots as the machine is passed over the face in adirection substantially parallel with the longitudinal axis of theteeth. The hairs are cut off as they are in the slots by teeth on acutter under the first-mentioned teeth. i

This form, of machine provides a close shave as the hairs are cut offclose to the skin, those hairs that are inclined or slightly turned arelifted and fed into the slots and the cutters cut the hairs oif at thevery surface of the skin but do not engage the skin as the slots are toonarrow to permit the skin to be engaged by the cutters. The slots areminute as they are never more than fifteen one-thousandths of an inch inwidth and the usual vand most eflicient machines have slots of eightonetliousandths of an inch in width. In all cases I find the bestresults are obtained by making the teeth that engage the face of thesame thickness as the widthof the slots or'approximately so. In otherwords whenthe thickness of the teeth is increased the width of the Theinvention is illustrated in the accomunder the first-mentioned teeth.Figure 5 is a section of a modified form.

The machine comprises a handle a of any desired form but I usually makeit flat so as to be easily held and of a size to 'fit easily in slotscan be increasedin the same amount.

the end-piece and the cut hairs therefore can the'hand. .The form shownis operated by suitable mechanism to which power is transmitted by aflexible shaft b which has any usual attachment 0 to a short shaft 8within the handle.

On the handle is an end-piece d which is usually rectangular in crosssection having the rib e which is secured to a bridge-like piece f theseparts being secured together by such means as the pins 9 which can alsoextend into the handle side plates to fasten the end-piece to thehandle. a

The end-piece is provided with slots 72. preferable from side to sideand then the inside of the end-piece is finishedto bring the thicknessof the teeth 2' to conform approximately to the width of the slots h.The sides of the walls f are ground to leave the projecting parts 9'which form shoeson the ends of the teeth. As the machine is used bydrawing it across the face'longitudinally of the slots these shoes pickup any hairs that are not straight and lead them into the slots 71. asthe machine advances. The block or rib e is only at the lower part ofvthe end-piece so that the ends of the end-piece are open.

Inside the end-piece is a cutter which is also open at the ends. It isusually made by fastening a rib is to the rectangular piece lby the pinsm. The top is slotted as at n all the way across and this forms teeth -0which fit under the teeth 2' and co-operate therewith to shear or nipthe hairs.

The cutter fits with a sliding fit inside escape through the ends of themachine as it is handled and thus tilted and inclined while travellingover the face. The machine can also be cleared of hair by blowingthrough the passage inthe hollow cutter.

The cutter is held in proper cutting osition and compensations made forwear y such means as the screws p which are screwthreaded in the arms 9of the handle and bear onthe under-side of the cutter. p

The cutter is reciprocated'by suitable means and I illustrate onecomprising an eccentrically arrangedstud 1- on the shaft 8 and fittingbetween the arms t secured to the under side of the cutter.

The teeth 2' are very thin and are not strong enough to shave unlesssupported and the cutter does this supporting by reason of the teethbeing wider than slots h and the teeth 5 i areat all times maintained ina firm level position.

For cutting long hairs and at the same time providing proper support bythe cutter for the teeth 2', I may make the teeth 11 forming the lateralbranches of a vertical support to fastened to the block is. This is amodification of the side pieces Z of the first mentioned construction. 1

It will he noted that these teeth 2' can en- 15 gage hairs that arethrough the ends of the slots h and cut the hairs without any pullingand will take off long hairs close to the skin.

This form of implement is particularly adapted for surgical use.

I claim 1. A shaving machine having a hollow end piece with a series ofteeth on one face, the teeth having small slots between them, pointedshoes on the ends of the teeth and cutter teeth in the hollow end piecepassing under the first teeth to sever hair passing through the slots.

2. A shaving machine comprising a handle with a hollow end-piece slottedto form small spaced teeth presenting a substantially flat surface tothe face, the teeth having pointed shoes at the ends to lift up anddirect hair to the slots when the device is passed over the skin, and ahollow cutter having teeth engaging .the under side of the teeth of theendpiece, and means for moving the cutter.

3. A shaving machine comprising a handle with a hollow end-piece slottedto form small spaced teeth presenting a substantially fiat 40 surface tothe face, the teeth having pointed shoes at the ends to lift up anddirect hair to the slots when the device is passed over the skin and ahollow cutter having teeth engaging the under side of the teeth of theend-piece,

and means for moving the cutter, the cutter also supporting the teeth ofthe end-piece against flexing when shaving.

4. A shaving machine comprising a handle with a rectangular tubularend-piece having 5 its outer face slotted to provide parallel teeth ofextreme thinness and with pointed ends to pick up hairs and direct theminto the slots when the machine is passed over the face, and arectangular hollow cutter slidable longitudinally in the end-piece andslot-ted through its outer wall to form teeth co-operating with theteeth of the end-piece, and means for reciprocating the cutter.

In testimony whereof I affix my signature.

to JACOB SCHICK.

